Of High Quality ETP sheets coils

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Electrolytic Tinplate undoubtedly enjoys the pride of place as a packaging medium especially for food. It owes its unique position to its "nine layer sandwich structure", each of which contributes to its eminence as a packing material. The steel base provides the necessary strength and formability for can fabrication. The tin-iron alloy layer provides the bond between the steel and free tin layer. The free tin layer is not only responsible for the attractive bright finish and ease of solderability but is also non-toxic- a factor of vital importance in food packaging!


Electrolytic TinPlate: Composition


E.T.P. consists of five layers each of which performs a different role:

1.
Steel Base: Provides stiffness to the material due to its thickness and mechanical strength. Its chemical composition imparts special properties to resist corrosion.

2.
Iron-Tin Alloy: This is made up by the inter-metallic compound Fe-Sn2. Due to its electrochemical characteristics, it acts as a barrier against corrosion. For effective action, its continuity is more important than its quantity.

3.
Metallic Tin: Tin has many advantages which have turned it into the most important element to protect steel used for cans; in many foods, it acts as a simple barrier against corrosion, improves weldability, it is an excellent base for lithographic printing and for applying lacquers. In tin-robbing foods, it acts as a sacrificial element.

4.
Passivation Film: According to its nature, it makes it possible to improve the E.T.P.’s resistance to sulphiding, oxidation and rust. It is also a conditioner to improve the adherence of varnishes, inks, lacquers etc.

5.
Oil Film: Protects the sheet from the humidity in the environment and makes easy to handle. It is applied using an electrostatic oiler on both sides of the sheet.



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Q:Cookies with tinplate packaging has what advantage?
Good mechanical properties: tinplate cans relative to other containers, such as plastic, glass, paper containers and strength, and good rigidity, it is not easy to break. It is not only used for small sale packing, but also the main container for large transportation package.
Q:How to prevent the corrosion of tinplate wall hydrogen sulfide blackening, expansion
Oil pipelines and oil storage containers buried in the ground are exposed to the water, salt, alkali and acid substances directly in the soil, and they should be coated with antirust paint on the outside surface, and then sprayed with asphalt protection layer.
Q:What are the causes of tinplate rusting and how to prevent them?
Attachment of impurities. The impurity is mainly caused by the difference of the impurity with the iron sheet, or the impurity adsorbed the water on the iron sheet to form a galvanic cell.
Q:How to open cans
A tin can be opened, the handle is separated, and the canned fruit can be clamped by the head, and the rotating knob and the tin can be opened. Remember, when you turn the knob, you can only rotate clockwise and turn counterclockwise clockwise.
Q:What is the process of two cold rolling of tinplate?
Tinplate is commonly known as tin plated steel sheet. The English abbreviation is SPTE. It is a cold-rolled low carbon steel sheet or strip coated with commercially pure tin on both sides.
Q:What's the difference between iron, aluminium, stainless steel, galvanized iron and tin?
Aluminum is a kind of material. It is not easy to be oxidized when it meets water. The price is moderateStainless steel is another kind of material. It is not easy to be oxidized when it meets water. The price is high
Q:What do tinplate do?
Maguchi Tetsuya is called tinplate, national standard GB2520:2008, is cold-rolled sheet steel, every square plated with commercial 1.1 g, 2.8g, 5.6g, 8.4g, 11.2gFor use, it can be used in food cans, beverage cans, chemical barrels, milk cans, electronic components, etc., is a widely used packaging materials.
Q:What about tin cans?
Galvanized iron: galvanized iron for daily use, such as box, water pipe, etc.Tin: tin plated iron. Usually used for food packaging. Such as canned goods
Q:A tin rust problem for help
In production, if the sealing force is too large, it is easy to damage the tank, scraping the coating, resulting in rust.
Q:Who can tell me how to adjust the roller seal defects?
Such as material, hardness, etc., especially relatively small tank diameter (such as 202 diameter cans). If the material of the tinplate is thin and the hardness is large, it will be more difficult to ask for it. Because in this case, the material in the double curling process will be less plastic, but the wrinkles will be larger.

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